Enjoy the warmth of triple glazing without changing your timber window frames.
New Fineo ultra-thin vacuum glazing delivers modern warmth and comfort to timber windows, without changing the frames.
Enjoy the warmth of triple glazing without changing your timber window frames.
New Fineo ultra-thin vacuum glazing delivers modern warmth and comfort to timber windows, without changing the frames.

Retrofitted into existing timber sash frames
Width of single glazing (7.7mm)
Warmth of triple glazing (U-value 0.7 W/m2K)
Improved warmth and comfort
Reduced external noise
Reduced carbon footprint
Only vacuum glazing made in Europe
20 Year warranty

FINEO glass vacuum double glazing represents the latest innovation in energy-efficient window solutions. Unlike traditional double glazing, FINEO uses a vacuum space between two glass panes, significantly improving thermal and acoustic insulation. This ultra-thin glazing technology provides superior performance without compromising the aesthetics of your property. Repair A Sash proudly offers this advanced glazing solution, ideal for new constructions, renovations, and heritage building restorations. With FINEO glass, customers can enjoy the benefits of modern insulation technology without the need for bulky window frames.
FINEO glass provides numerous benefits that make it an excellent choice for homeowners and businesses alike.


FINEO glass is suitable for a variety of applications, ranging from residential homes to commercial buildings. Its slim profile makes it perfect for historic and listed buildings where maintaining the original appearance is crucial. Additionally, it’s ideal for modern properties requiring high thermal performance without altering existing frames. Repair A Sash offers tailored installation services, ensuring a perfect fit for every project. Whether it’s enhancing energy efficiency, reducing noise pollution, or preserving architectural integrity, FINEO glass is the solution.
FINEO vacuum glazing delivers the thermal performance of triple glazing in a unit similar in thickness to single glazing.
This makes it ideal for installation into existing timber sash frames, without the need for bulky or intrusive glazing units.


Compared to traditional double glazing, FINEO glass stands out in several key areas.


One of the most compelling reasons to choose FINEO glass is its exceptional energy efficiency.
Repair A Sash professional installation ensures that customers maximize these energy-saving benefits, helping them achieve sustainability goals while enhancing comfort.
FINEO glass is designed with sustainability in mind. Its lead-free composition and 100% recyclability reduce environmental impact, making it an eco-friendly alternative to conventional glazing solutions. The production process of FINEO glass minimizes carbon emissions, aligning with Repair A Sash commitment to sustainability. Additionally, the energy savings provided by FINEO glass contribute to lowering household carbon footprints. By choosing FINEO glass, customers support environmentally responsible practices while enjoying modern glazing benefits.


For more information on Fineo, visit:
FINEO glass comes with a 20-year guarantee and an expected lifespan exceeding 60 years, ensuring long-term reliability.
Yes, its ultra-thin profile allows for easy retrofitting into existing frames without altering the property’s appearance.
Absolutely. FINEO glass reduces external noise levels significantly, making indoor spaces quieter and more comfortable.
FINEO glass is 100% recyclable, lead-free, and produced using processes that minimize carbon emissions, supporting green building practices.
Yes, it’s ideal for heritage and listed buildings where maintaining the original aesthetic is essential, thanks to its slim design and high performance.